package com.tutu.service;

/**
 * @Program: Spring_New
 * @Description:
 * @Author: JK.TuTu
 * @Create: 2022-09-15
 **/
public interface UserService {
    public void add(int a,int b);

    public void delete(int id);

    public Integer update(String name);

    public String search(int num);

}
